Take a wobble down Wibble Street and you'll never be sure of any door. George thought he knew all about Wibble Street until Billy moved into number 11. As their friendship grows so the secrets of Wibble Street and the town of Skaggyness begin to reveal themselves. George has his own secrets, more so after foiling the crimes of gangster Mickey Magpie Doom closes in on them both as Billy's thirst for adventure is seemingly never quelched. Will they survive the summer?